.left-tree {
  height: calc(~"100% - 40px");
  border: 1px solid #d7d7d7;
  position: relative;
  .syncTreeCom {
    .synctree-area {
      & > ul {
        & > .node-item {
          padding-bottom: 40px;
        }
      }
    }
  }
  .left-tree-bottom {
    position: absolute;
    left: 0;
    right: 8px;
    bottom: 8px;
    background: #fff;
    z-index: 2;
    .tree-checkbox {
      margin: 5px 10px;
    }
  }
}